Ray wrote: > Fredrik Lundh wrote: > > in the Python example, the four strings in your example are shared, so > > you're basically copying 40000 pointers to the list. > > > > in the C++ example, you're creating 40000 string objects. > > > > </F> > > In which case, Licheng, you should try using the /GF switch. This will > tell Microsoft C++ compiler to pool identical string literals together. > > > :)
The code still creates a new string - instance each time it tries to append a const char* to the vector<string> ... You should instead create the string-objects ahead of time, outside of the loop. Regards, --Tim -- http://mail.python.org/mailman/listinfo/python-list